123146920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{18217}}^1$

素因数の和:18254

約数の個数: 48

約数和(自身を含む): 300050460

約数和(自身を除く): 176903540

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 18217, 36434, 72868, 91085, 145736, 182170, 236821, 364340, 473642, 728680, 947284, 1184105, 1894568, 2368210, 3078673, 4736420, 6157346, 9472840, 12314692, 15393365, 24629384, 30786730, 61573460, 123146920]

約数ペア:

[(1, 123146920), (2, 61573460), (4, 30786730), (5, 24629384), (8, 15393365), (10, 12314692), (13, 9472840), (20, 6157346), (26, 4736420), (40, 3078673), (52, 2368210), (65, 1894568), (104, 1184105), (130, 947284), (169, 728680), (260, 473642), (338, 364340), (520, 236821), (676, 182170), (845, 145736), (1352, 91085), (1690, 72868), (3380, 36434), (6760, 18217)]